Search a number
-
+
122400104012 = 22312017489389
BaseRepresentation
bin111000111111110011…
…1010101111001001100
3102200221021101112020122
41301333213111321030
54001133411312022
6132121351004112
711562121501124
oct1617747257114
9380837345218
10122400104012
1147a0073885a
121b87b669638
13b70850b464
145cd1dd1c84
1532b5a4c742
hex1c7f9d5e4c

122400104012 has 24 divisors (see below), whose sum is σ = 221219940480. Its totient is φ = 59196372480.

The previous prime is 122400103997. The next prime is 122400104081. The reversal of 122400104012 is 210401004221.

It is a super-2 number, since 2×1224001040122 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5414 + ... + 494802.

It is an arithmetic number, because the mean of its divisors is an integer number (9217497520).

Almost surely, 2122400104012 is an apocalyptic number.

It is an amenable number.

122400104012 is a deficient number, since it is larger than the sum of its proper divisors (98819836468).

122400104012 is a wasteful number, since it uses less digits than its factorization.

122400104012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491441 (or 491439 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122400104012 its reverse (210401004221), we get a palindrome (332801108233).

The spelling of 122400104012 in words is "one hundred twenty-two billion, four hundred million, one hundred four thousand, twelve".

Divisors: 1 2 4 31 62 124 2017 4034 8068 62527 125054 250108 489389 978778 1957556 15171059 30342118 60684236 987097613 1974195226 3948390452 30600026003 61200052006 122400104012